Another scandal is erupting for U.S. forces in Afghanistan - this time in the form of a YouTube video - which appears to show American marines urinating on the corpses of Afghan fighters. The video went viral in just hours - causing outrage and revulsion among viewers. The U.S. Department of Defense has promised to investigate. Ahmed Quraishi, President of the lobbying group 'Paknationalists forum' thinks the accident will endanger lives of US soldiers serving in Afghanistan.